@article{TUW-107321, author = {Markowich, Peter A. and Ringhofer, Ch. and Selberherr, Siegfried and Langer, Erasmus}, title = {{A} {S}ingularly {P}erturbed {B}oundary {V}alue {P}roblem {M}odelling a {S}emiconductor {D}evice}, journal = {{M}{R}{C} {T}echnical {S}ummary {R}eport}, year = {1982}, volume = {2388}, pages = {1--57}, url = {http://www.iue.tuwien.ac.at/pdf/JB1982_Markowich_1.pdf} }